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  Flight Simulations\Military Sims

Specific Simulations:

F4 - Falcon 4

MS Combat Flight Simulator (I prefer #2)

IL2 - Forgotten Battles / Pacific Fighters

Miltary sims offer most of us the only chance we'll ever get to be in control of a high performance military jet aircraft.  I recommend these sites for they collectively contain "VAST" amounts of military sim info:
bulletFrugal's World  /  Frugals Military Sim Forum